855889355 has 8 divisors (see below), whose sum is σ = 1027966464. Its totient is φ = 684112000.

The previous prime is 855889339. The next prime is 855889357. The reversal of 855889355 is 553988558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855889355 - 2⁴ = 855889339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855889355.

It is not an unprimeable number, because it can be changed into a prime (855889357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68606 + ... + 80115.

It is an arithmetic number, because the mean of its divisors is an integer number (128495808).

Almost surely, 2^855889355 is an apocalyptic number.

855889355 is a deficient number, since it is larger than the sum of its proper divisors (172077109).

855889355 is a wasteful number, since it uses less digits than its factorization.

855889355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149877.

The product of its digits is 8640000, while the sum is 56.

The square root of 855889355 is about 29255.5867314262. The cubic root of 855889355 is about 949.4509680786.

The spelling of 855889355 in words is "eight hundred fifty-five million, eight hundred eighty-nine thousand, three hundred fifty-five".